content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------------------
   * SlidingGanttCategoryDatasetTests.java
   * -------------------------------------
   * (C) Copyright 2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 08-May-2008 : Version 1 (DG);
   *
   */
  
  package org.jfree.data.gantt;
  
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.Date;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  
  
  
  /**
   * Tests for the {@link SlidingGanttCategoryDataset} class.
   */
  public class SlidingGanttCategoryDatasetTest  {
  
  
  
  
  
      /**
       * Some checks for the equals() method.
       */
      @Test
      public void testEquals() {
          TaskSeries s1 = new TaskSeries("Series");
          s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
          s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
          s1.add(new Task("Task 3", new Date(20L), new Date(21L)));
          TaskSeriesCollection u1 = new TaskSeriesCollection();
          u1.add(s1);
          SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(
                  u1, 0, 5);
          TaskSeries s2 = new TaskSeries("Series");
          s2.add(new Task("Task 1", new Date(0L), new Date(1L)));
          s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
          s2.add(new Task("Task 3", new Date(20L), new Date(21L)));
          TaskSeriesCollection u2 = new TaskSeriesCollection();
          u2.add(s2);
          SlidingGanttCategoryDataset d2 = new SlidingGanttCategoryDataset(
                  u2, 0, 5);
          assertEquals(d1, d2);
  
          d1.setFirstCategoryIndex(1);
          assertFalse(d1.equals(d2));
          d2.setFirstCategoryIndex(1);
          assertEquals(d1, d2);
  
          d1.setMaximumCategoryCount(99);
          assertFalse(d1.equals(d2));
          d2.setMaximumCategoryCount(99);
          assertEquals(d1, d2);
  
          s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
          assertFalse(d1.equals(d2));
          s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
          assertEquals(d1, d2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          TaskSeries s1 = new TaskSeries("Series");
          s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
          TaskSeriesCollection u1 = new TaskSeriesCollection();
          u1.add(s1);
          SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(
                  u1, 0, 5);
          SlidingGanttCategoryDataset d2 = (SlidingGanttCategoryDataset) d1.clone();
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // basic check for independence
          s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
          assertFalse(d1.equals(d2));
          TaskSeriesCollection u2
                  = (TaskSeriesCollection) d2.getUnderlyingDataset();
          TaskSeries s2 = u2.getSeries("Series");
          s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
          assertEquals(d1, d2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws ClassNotFoundException, IOException {
          TaskSeries s1 = new TaskSeries("Series");
          s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
          TaskSeriesCollection u1 = new TaskSeriesCollection();
          u1.add(s1);
          SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(
                  u1, 0, 5);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(d1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          SlidingGanttCategoryDataset d2 = (SlidingGanttCategoryDataset) in.readObject();
              in.close();
  
          assertEquals(d1, d2);
  
          // basic check for independence
          s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
          assertFalse(d1.equals(d2));
          TaskSeriesCollection u2
                  = (TaskSeriesCollection) d2.getUnderlyingDataset();
          TaskSeries s2 = u2.getSeries("Series");
          s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
          assertEquals(d1, d2);
      }
  
  }
  